How to Install April 2019 Security Patch On Galaxy J7 Duo [Android 8.0 Oreo]

Samsung Galaxy J7 Duo started getting the latest official update which is April 2019 security patch. Now you can download and install the April 2019 security patch on Galaxy J7 Duo smartphone.

The most recent update comes with the latest security improvements and multiple performance tweaks along with build id number J720MUBS3ASD1. Here we share a simple and step by step guide on how to download and install the April 2019 security patch on Galaxy J7 Duo. The update is still based on Android 8.0 Oreo, it is packed with the latest security patch. Basically, this latest update is a maintenance update which is fixing up a lot of security issues, which are found on your smartphone.

Samsung started rolling out the update via OTA (Over – the – Air), in stage wise and soon will reach all over the world. Which means at the same time, not all Galaxy J7 Duo users can update their devices. You can check the April 2019 security patch on Galaxy J7 Duo update manually by going to your device settings>software update> download update.

If you have not found any notification yet then still you can install it manually by following our given below detailed guide. Given below we share a direct link of April 2019 security patch on Galaxy J7 Duo official update. You can just download and install it with the help of Odin tool.

The Odin is a tool which is developed by Samsung. With the help of the Odin tool, you can flash the official firmware on Samsung devices. Not necessary but we are highly recommended you to take the full backup of all your device valuable data before proceeding. If you are interested in downloading and installing the April 2019 security patch on Galaxy J7 Duo update. Then go ahead and follow the given steps.

How to Install April 2019 Security Patch On Galaxy J7 Duo [Android 8.0 Oreo]


This guide containing the Official April 2019 security patch firmware and instructions can be used only with the Galaxy J7 Duo. Do not try to install this firmware on any other device or incorrect variant. Verify the model number of your device by navigating to Settings > About Phone, the model number of your device must be SM-C900F.

Warning: will not responsible for any damage occurred to your Samsung Galaxy J7 Duo during or after the installation of April 2019 security patch Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your Galaxy J7 Duo, in case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the Galaxy J7 Duo USB Drivers on the PC.
  • Enable USB Debugging Mode on your Galaxy J7 Duo by navigating to Settings > Developer Options > check the USB Debugging option.
  • If you have a custom ROM installed on the phone, then after installing this stock update, it will be lost.
  • The stock version will replace the custom recovery.
  • If the Galaxy J7 Duo will no longer belong to a rooted version, once the stock firmware installed.
  • Check the battery level of your Galaxy J7 Duo, and it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

How to Flash J720MUBS3ASD1 April 2019 Security Patch On Galaxy J7 Duo Android 8.0 Oreo Update:

Step No 1: – First, download April 2019 security patch official update and Odin v3.10.7 for Galaxy J7 Duo on the desktop of your PC.

Step No 2: – Now, extract the archived contents to get the tar.md5 update file. Don’t extract the tar.md5 firmware update file.

Step No 3: – Turn OFF your Galaxy J7 Duo to boot into Download Mode.

Step No 4: – Turn the device ON by pressing and holding the Volume Down + HomePower keys at the same time for a while till the construction Android robot and a triangle appear. Now press the Power button once again to confirm to enter into Download Mode.

Step No 5: – Launch Odin tool on your PC as an Administrator and plug your phone into your PC while your phone is in the Download Mode.

Step No 6: – One of the ID: COM boxes will turn yellow with the COM port number once the phone is connected successfully.

Step No 7: – Select the firmware files tar.md5 that you want to flash on your Galaxy J7 Duo. (Already extracted in Step No 1)

Click on ‘AP’ and select file with ‘AP’ in its name.

Click on ‘CP’ and select file with ‘MODEM’ in its name. Ignore this step if there is no such file.

Click on ‘CSC’ and select file with ‘CSC’ in its name. Ignore this step if there is no such file.

Click on ‘PIT’ and select the .pit file. Ignore this step if there is no such file.

Click on ‘BL’ and select file with ‘BL’ in it’s name. Ignore if there is no such file.

Step No 8: – In Odin, make sure that the Auto Reboot and F. Reset Time options are ticked, but the Re-Partition option should be unchecked.

How to Install Odin On Windows 7/8/10

Step No 9: – Click on the Start button in Odin to initiate the installation process. It will take a few minutes.

Step No 10: – Once the installation process is successfully finished, the Galaxy J7 Duo will restart. Unplug the phone after you see the home screen.

Done! These were the simple steps to download and install the April 2019 security patch Galaxy J7 Duo Android 8.0 Oreo update.

Let us know in the comments area below if you have any issues or questions regarding the above guide.

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